Home / 64,570,524.80-96,856,137.12-19,132,712.96

Finding the Fourth Proportional to 64,570,524.80, 96,856,137.12 and 19,132,712.96

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Solution

The fourth proportional to 64,570,524.80, 96,856,137.12 and 19,132,712.96 is: 28,699,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,570,524.80 : 96,856,137.12 = 19,132,712.96 : x
  2. Step 2: Convert to fraction form
    64,570,524.80/96,856,137.12 = 19,132,712.96/x
  3. Step 3: Cross multiply
    64,570,524.80x = 96,856,137.12 × 19,132,712.96
  4. Step 4: Simplify right side
    64,570,524.80x = 1,853,120,669,931,361.25
  5. Step 5: Solve for x
    x = 1,853,120,669,931,361.25/64,570,524.80
  6. Step 6: Final answer
    x = 28,699,173.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.